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dir.mk revision 1.9 
      1 # $NetBSD: dir.mk,v 1.9 2021/01/23 10:48:49 rillig Exp $
      2 #
      3 # Tests for dir.c.
      4 
      5 .MAKEFLAGS: -m /		# hide /usr/share/mk from the debug log
      6 
      7 # Dependency lines may use braces for expansion.
      8 # See DirExpandCurly for the implementation.
      9 all: {one,two,three}
     10 
     11 # XXX: The above dependency line is parsed as a single node named
     12 # "{one,two,three}".  There are no individual targets "one", "two", "three"
     13 # yet.  The node exists but is not a target since it never appeared
     14 # on the left-hand side of a dependency operator.  However, it is listed
     15 # in .ALLTARGETS (which lists all nodes, not only targets).
     16 .if target(one)
     17 .  error
     18 .endif
     19 .if target({one,two,three})
     20 .  error
     21 .endif
     22 .if ${.ALLTARGETS:M{one,two,three}} != "{one,two,three}"
     23 .  error
     24 .endif
     25 
     26 one:
     27 	: 1
     28 two:
     29 	: 2
     30 three:
     31 	: 3
     32 
     33 # The braces may start in the middle of a word.
     34 all: f{our,ive}
     35 
     36 four:
     37 	: 4
     38 five:
     39 	: 5
     40 six:
     41 	: 6
     42 
     43 # Nested braces work as expected since 2020-07-31 19:06 UTC.
     44 # They had been broken at least since 2003-01-01, probably even longer.
     45 all: {{thi,fou}r,fif}teen
     46 
     47 thirteen:
     48 	: 13
     49 fourteen:
     50 	: 14
     51 fifteen:
     52 	: 15
     53 
     54 # There may be multiple brace groups side by side.
     55 all: {pre-,}{patch,configure}
     56 
     57 pre-patch patch pre-configure configure:
     58 	: $@
     59 
     60 # Empty pieces are allowed in the braces.
     61 all: {fetch,extract}{,-post}
     62 
     63 fetch fetch-post extract extract-post:
     64 	: $@
     65 
     66 # The expansions may have duplicates.
     67 # When the source of the dependency line is expanded later, each of the
     68 # expanded words will be the same.
     69 all: dup-{1,1,1,1,1,1,1}
     70 
     71 dup-1:
     72 	: $@
     73 
     74 # Other than in Bash, the braces are also expanded if there is no comma.
     75 all: {{{{{{{{{{single-word}}}}}}}}}}
     76 
     77 single-word:
     78 	: $@
     79 
     80 # Demonstrate debug logging for filename expansion, especially curly braces.
     81 .MAKEFLAGS: -dd
     82 # The below line does not call SearchPath_Expand yet.
     83 # It is expanded only when necessary, that is, when the 'debug' target is
     84 # indeed made.
     85 debug: {{thi,fou}r,fif}twen
     86 # Therefore, keep the debug logging active.
     87 
     88 .PHONY: one two three four five six
     89 .PHONY: thirteen fourteen fifteen
     90 .PHONY: single-word
     91 .PHONY: pre-patch patch pre-configure configure
     92 .PHONY: fetch fetch-post extract extract-post
     93 .PHONY: dup-1 single-word
     94 .PHONY: all
     95